284830869 has 16 divisors (see below), whose sum is σ = 408120768. Its totient is φ = 176047872.

The previous prime is 284830829. The next prime is 284830943. The reversal of 284830869 is 968038482.

It is a happy number.

It is not a de Polignac number, because 284830869 - 2⁸ = 284830613 is a prime.

It is a super-2 number, since 2×284830869² = 162257247870590322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284830829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38262 + ... + 45095.

It is an arithmetic number, because the mean of its divisors is an integer number (25507548).

Almost surely, 2^284830869 is an apocalyptic number.

It is an amenable number.

284830869 is a deficient number, since it is larger than the sum of its proper divisors (123289899).

284830869 is a wasteful number, since it uses less digits than its factorization.

284830869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83444.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 284830869 is about 16876.9330448396. The cubic root of 284830869 is about 657.9542324267.

The spelling of 284830869 in words is "two hundred eighty-four million, eight hundred thirty thousand, eight hundred sixty-nine".